Abstract #2388
Motion Correction for Free-Breathing Whole Heart T1 Mapping at 3 Tesla
Qian Tao 1 , Pieternel van der Tol 1 , Hildo J. Lamb 1 , and Rob J. van der Geest 1
1
Department of Radiology, Leiden University
Medical Center, Leiden, Zuid Holland, Netherlands
Myocardial tissue characterization by MR T1 mapping has
potentially important clinical applications in a wide
spectrum of cardiovascular disease. However, the current
MOLLI technique allows limited heart coverage and
requires breath-hold. To make whole heart free-breathing
T1 mapping possible, motion correction methods were
developed in parallel with a new MRI T1 mapping sequence
to deal with the in-plane and through-plane motion which
arises from the free breath. The proposed motion
correction methods largely reduced the T1 mapping error,
and made whole heart free-breathing T1 mapping possible
both prior to and after contrast injection.
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